html, body {
  height: 100%;
  /*background-color: #f3f3f3;*/
  background: -webkit-gradient(linear, 0 0, 0 100%, from(#eee), to(#404040));
}

.background-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*background: url('/assets/img/wallpaper1.jpg') no-repeat;*/
  background-size: cover;
  opacity: 0;
  transition: opacity 1000ms;
}

.main-outer {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.main-outer .main-inner {
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.1);
  background-color: rgba(0, 0, 0, 0.4);
  color: #eee;
}
.main-outer .main-inner h1 {
  text-align: center;
  font-weight: normal;
}
.main-outer .main-inner p {
  text-align: center;
}
.main-outer .main-inner .subjects {
  flex: 1;
  display: flex;
  flex-direction: row;
}
.main-outer .main-inner .subjects > div {
  flex: 1;
  text-align: center;
}
.main-outer .main-inner .subjects > div span {
  cursor: pointer;
}
.main-outer .main-inner .subjects .icon-left > a:hover span:before,
.main-outer .main-inner .subjects .icon-center > a:hover span:before,
.main-outer .main-inner .subjects .icon-right > a:hover span:before {
  color: #FFCC33;
}
.main-outer .main-inner .subjects .icon-left {
  text-align: right;
}
.main-outer .main-inner .subjects .icon-right {
  text-align: left;
}
